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Ollendorff's New Method of Learning to Read, Write, and Speak: the Spanish Language

A New Pronouncing Dictionary of the Spanish and English Languages

The Cortina Method Intended for Self-study and for Use in Schools

Diario de sesiones de la Cámara de Diputados

Statistique agricole dans les pays en voie de developpement

Boletín oficial de la Secretaría de Agricultura, Industria y Comercio

The Revised Ollendorff Method

Brevet d'invention

Bulletin signalétique

Boletín de la Academia Nacional de la Historia